◎ 题干
I don't know if Jack _____. If he _____, call me, please.

[     ]

A. will come; will comes
B. comes; come
C. comes; will come
D. will come; comes
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“I don't know if Jack _____. If he _____, call me, please. [ ]A. will come; will comes B. comes; come C. comes; will come D. will come; comes …”主要考查了你对  【一般将来时】【状语从句】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。